[Librem-5-dev] devkit flashing help

Angus Ainslie angus.ainslie at puri.sm
Tue Sep 29 07:29:22 PDT 2020


Hi Aaron,

On 2020-09-25 8:31 a.m., Aaron via Librem-5-dev wrote:
>
> Yes, it shows up via lsusb.  It is also recognised differently
> according to the position of the USB Boot Mode switch.
>
Does it show up as a USB gadget when it is in eMMC boot mode ?

Angus

> Aaron
>
> On Fri, 25 Sep 2020 at 11:24, David Boddie via Librem-5-dev
> <librem-5-dev at lists.community.puri.sm
> <mailto:librem-5-dev at lists.community.puri.sm>> wrote:
>
>     On Date: Mon, 21 Sep 2020 10:23:28 -0400, Aaron wrote:
>
>     > I've had this same issue with my dev-kit since I got it.  I had
>     originally
>     > gotten an externally powered USB-C hub to help with power
>     issues, but I
>     > still had this issue.  The battery idea sounded interesting and
>     I have
>     > tried that as well, with the same results.  I have also tried
>     turning off
>     > the kill switches for the wifi, wlan and camera/mic in hopes to
>     minimize
>     > power consumption, with no success.
>     >
>     > How do I get debug port output?  As per the documentation
>     >
>     <https://developer.puri.sm/Librem5/Hardware_Reference/devkit.html>,
>     I have
>     > only found the unpopulated JTAG and UART headers.  I would need
>     to get
>     > headers on one of those to be able to get the debug information
>     mentioned?
>
>     It's the UART you need to access with a header.
>
>     Has the board ever appeared as a USB device when connected to a
>     workstation?
>
>     David
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>
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